mirror of
https://github.com/arabine/open-story-teller.git
synced 2025-12-06 17:09:06 +01:00
71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
#ifndef TLV_H
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#define TLV_H
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#include <stdint.h>
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#define TLV_ARRAY_TYPE 0xAB
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#define TLV_OBJECT_TYPE 0xE7
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#define TLV_STRING_TYPE 0x3D
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#define TLV_INTEGER 0x77
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#define TLV_REAL 0xB8
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#include <iostream>
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#include <fstream>
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class Tlv
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{
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public:
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explicit Tlv(const std::string &filename)
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{
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m_file = std::ofstream(filename, std::ios::out | std::ios::binary);
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}
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~Tlv() {
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m_file.close();
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}
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void add_array(uint16_t size)
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{
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m_file.write(reinterpret_cast<const char*>(&m_objectType), sizeof(m_objectType));
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m_file.write(reinterpret_cast<const char*>(&size), sizeof(size));
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}
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void add_string(const char *s, uint16_t size)
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{
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m_file.write(reinterpret_cast<const char*>(&m_stringType), sizeof(m_stringType));
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m_file.write(s, size);
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}
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void add_integer(uint32_t value)
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{
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static const uint16_t size = 4;
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m_file.write(reinterpret_cast<const char*>(&m_integerType), sizeof(m_integerType));
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m_file.write(reinterpret_cast<const char*>(&size), sizeof(size));
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m_file.write(reinterpret_cast<const char*>(&value), sizeof(value));
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}
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void add_string(const std::string &s)
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{
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add_string(s.c_str(), s.size());
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}
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void add_object(uint16_t entries)
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{
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m_file.write(reinterpret_cast<const char*>(&m_arrayType), sizeof(m_arrayType));
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m_file.write(reinterpret_cast<const char*>(&entries), sizeof(entries));
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}
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private:
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std::ofstream m_file;
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uint8_t m_arrayType = TLV_ARRAY_TYPE;
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uint8_t m_objectType = TLV_OBJECT_TYPE;
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uint8_t m_stringType = TLV_STRING_TYPE;
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uint8_t m_integerType = TLV_INTEGER;
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};
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#endif // TLV_H
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